
Potassium Bitartrate
Potassium bitartrate is an organic potassium salt of L-tartaric acid. It is a by-product of winemaking and occurs naturally in grapes, the major fruit used to produce wine. It has a role as an antimicrobial agent, a laxative, a food acidity regulator, a plant metabolite, a food anticaking agent, a food stabiliser, a food humectant and a raising agent. It contains a L-tartrate(1-). — ChEBI
- IUPAC name
- potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
- Molecular formula
- C4H5KO6
- Molecular weight
- 188.18 g/mol
- Exact mass
- 187.97231936 Da
- Topological polar surface area
- 118.0 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 6
- Covalent units
- 2
- Defined stereocentres
- 2
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:32034
- ChEMBL:CHEMBL2105248
- EPA DTXSID:DTXSID6042313
- PubMed:22926733
- PubMed:17532693
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.